Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

12 results found
Article

CT guided thoracic biopsy

CT guided thoracic biopsy is usually performed for the diagnosis of suspicious lung, pleural or mediastinal lesions. It can be performed as an outpatient procedure where patient monitoring and complications support are available.  A small percentage of lung and pleural biopsies may be performed ...
Article

Double lumen cannula for VV ECMO

The double lumen cannula enables veno-venous extracorporeal membrane oxygenation (VV ECMO) to patients with severe respiratory failure. It is often used as a bridge to lung transplant.  The cannulation is usually performed via the right jugular vein. This position allows the patients to stay aw...
Article

Heimlich valve

The Heimlich valve, also known as the flutter valve, is a unidirectional valve to ensure that gas/fluid drained from the pleural space cannot flow back in.  The Heimlich valve is cheap, easy to use, and does not require clamping unlike 'traditional' thoracostomy drainage tubes. Suction can stil...
Article

Infusothorax

Infusothorax is a complication of central venous catheter malposition where the catheter tip is located in the pleural space and the infusion of the fluid collects inadvertantly in the pleural space in the form of a pleural effusion. Longer term complications depend on the fluid being infused.
Article

Intercostal catheter

The intercostal catheter (ICC or chest tube) is a tube inserted into the pleural space to drain gas or fluid. It is mainly inserted to treat pneumothorax. Indication The indications are wide and can include 1: pneumothorax chest trauma pleural effusion hemothorax chylothorax bronchopleur...
Article

Left paramediastinal catheter position (differential)

When a central venous catheter that is supposed to project over the superior vena cava is abnormally located to the left of the mediastinum a limited differential of left paramediastinal catheter position should be considered 1: located within a vein left sided superior vena cava left interna...
Article

Peripherally inserted central catheter

Peripherally inserted central catheters (PICCs), often incorrectly tautologically termed PICC lines, are a type of central venous catheter predominantly used amongst oncology patients and those with chronic diseases (e.g. cystic fibrosis). They offer the ability to have long-term central venous...
Article

Pulmonary artery catheter

Pulmonary artery catheters (or Swan-Ganz catheters) are balloon flotation catheters that can be inserted simply, quickly, with little training and without fluoroscopic guidance, at the bedside, even in the seriously ill patient. Historically they were widely used to measure right heart hemodynam...
Article

Sniff test

The fluoroscopic sniff test, also known as diaphragm fluoroscopy, is a quick and easy real time fluoroscopic assessment of diaphragmatic motor function (excursion). It is used most often to confirm absence of muscular contraction of the diaphragm during inspiration in patients with phrenic nerve...
Article

Thoracentesis

Thoracentesis, commonly known as a pleural tap or chest tap, is a procedure where excess pleural fluid is drained from the pleural space for diagnostic and/or therapeutic reasons. Ultrasound-guided thoracentesis performed by radiologists has been shown to have fewer complications than blind thor...
Article

Thoracic duct embolization

Thoracic duct embolization (TDE) is a safe, efficacious treatment for chylothorax 1. Chylothoraces with a low drain output (<1L/day) are traditionally managed conservatively with dietary change, while high output (>1L/d) are managed with surgical thoracic duct (TD) ligation 2.Thoracic duct embo...
Article

Tracheobronchial stent

A tracheobronchial stent is a device used in the treatment of symptomatic airway compression. This device is inserted under bronchoscopic guidance in patients with external compression from mediastinal based malignancy, for example lung or esophageal cancers.  It may also be used in the treatme...

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